Quote Originally Posted by Doxkid View Post
An alternate artifact, still involving dragons, would be one that summons/teleports/calls/creates an enraged dragon whose size/age/summon duration increases with each use.

This will let them indulge their curiosity without killing them outright; if they DO end up fighting a Wyrm it is only their fault they couldn't figure out the rather simple pattern of: Open box->Dragon appears->open again->bigger dragon appears.
This is full of much win. Bonus points if you can somehow make it even more matryoshka-like.